Rugby union football, commonly known simply as rugby union or more often just rugby, is a close-contact team sport that originated at Rugby School in England in the first half of the 19th century. Rugby is simply based on running with the ball in hand. In its most common form, a game is played between two teams of 15 players each, using an oval-shaped ball on a rectangular field called a pitch. The field has H-shaped goalposts at both ends.
The Rugby Championship, formerly known as the Tri Nations Series (1996–2011), is an international rugby union competition contested annually by Argentina, Australia, New Zealand, and South Africa. These are traditionally the four highest ranked national teams in the Southern Hemisphere; the Six Nations is a similar tournament in the Northern Hemisphere.
World Rugby is the governing body for the sport of rugby union. World Rugby organises the Rugby World Cup every four years, the sport's most recognised and most profitable competition. It also organises a number of other international competitions, such as the World Rugby Sevens Series, the Rugby World Cup Sevens, the World Under 20 Championship, and the Pacific Nations Cup.
Super Rugby is a men's professional rugby union club competition involving teams from Australia, Fiji, New Zealand, and the Pacific Islands. It has previously included teams from Argentina, Japan, and South Africa. Super Rugby started as the Super 12 in the 1996 season with 12 teams from Australia, New Zealand, and South Africa, building on competitions dating back to the South Pacific Championship in 1986. The Super 12 was established by SANZAR after the sport became professional in 1995. After the COVID-19 pandemic forced the competition to split into three, the reformed competition in 2021 only included teams from Australia, New Zealand and the Pacific islands.
Argentina XV, formerly known as the Jaguares, are the second national rugby union team in Argentina, after the full national side, the Pumas.
The Rosario Rugby Union is the organisational body that controls the game of rugby union in Rosario, in the province of Santa Fe, Argentina. The rest of Santa Fe province teams are organised under the Unión Santafesina de Rugby.
The South American Rugby Championship refers to the continental rugby union championships for South America, organized by Sudamérica Rugby. The current name of the championships is South American Six Nations, implemented in 2018. Throughout history, South American Championships have also existed for lower divisions of the rugby union championships, as well as youth and women tournaments, and editions for rugby sevens.
Sudamérica Rugby, is the governing body for rugby union within South America and most of Central America. It was created on 14 October 1988 in Asunción on the initiative of Argentina, Brazil, Chile, Paraguay, and Uruguay, counting with a total of 16 unions.
The 1958 South American Rugby Championship was the second edition of the two tiered competition of the leading national Rugby Union teams in South America. The tournament was arranged seven years after the "Torneo Internacional played in 1951, and later recognized as the first edition of this competition.
The 1964 South American Rugby Championship was the fourth edition of the competition of the leading national Rugby Union teams in South America.
The 1993 South American Rugby Championship was the 18th edition of the competition of the leading national Rugby Union teams in South America.
The 1995 South American Rugby Championship was the 19th edition of the competition of the leading national Rugby Union teams in South America.
The 1997 South American Rugby Championship was the 20th edition of the competition of the leading national Rugby Union teams in South America.
The 2000 South American Rugby Championship was the 22nd edition of the competition of the leading national Rugby Union teams in South America.
The 2001 South American Rugby Championship was the 23rd edition of the competition of the leading national Rugby Union teams in South America.
The 2002 South American Rugby Championship was the 24th edition of the competition of the leading national Rugby Union teams in South America.
The 2003 South American Rugby Championship was the 25th edition of the competition of the leading national Rugby Union teams in South America.
The 2005 South American Rugby Championship was the 27th edition of the competition of the leading national Rugby Union teams in South America.
The 2006 South American Rugby Championship was the 28th edition of the competition of the leading national Rugby Union teams in South America.
The Mar del Plata Sevens is an international rugby sevens competition played in Mar del Plata, Argentina since 1995. The tournament was one of the events in the World Rugby Sevens Series in 2000 and 2002.
Argentina 
Chile 
Paraguay 
Uruguay